Packing box



' Jan. 17, 1928.

J. H. REEDY PACKING BOX Filed Feb. 6. 1925 Patented Jan. 17. 1928.

JoHiv H. REEDY, or HAMILTONQOHIO, Assleuon 'ro THE" CHA-Melon COATED PAPER,

COMPANY, or HAMILTON, omo, A coRPoRAToNoF oHIo.

PACKING BOX.

Application led February 6, 1925. Serial No. 7,354.

My invention relates to packing boxes for shafts in general and more particularly for that class of. packing boxes used in journaling beater and pulper shafts in paper 1nanul facturingplants. i

It is my object to provide for this purpose a packing box which will be simple in construction, easy to install and repair and Which Will provide bearing surfaces which will be subject to jolting or jarring movement in anydirect-ion With co-ordinate movement `of all the parts ot' the bearing in the same direction so that leakage about the shaft through the bearing will not occur when the shaft is jolted or jarred out of position. Y i

The beater shafts in a paper mill must be adjusted for height, notwithstanding the fact that there is liable to be a sudden jarring motion of the shaft in an upward direction caused by the beater jumping over a large obstruction. My invention is. therefore, particularly applicable to a beater shaft because the bearing on the shaft will yield to a sudden jarring impetus in any direction Without causing a corresponding leak or exposure in the bearing on the opposite side. My inventiontherefore not only provides asimple adjustable bearing surface but it further decreases the likelihood of the beater sticking due to obstructions Within the beater.

The principle involved in my construction is that of housing members adjustably mounted on a face plate and members bearing on the shaft retained in the housing member by spring tension and cushioned resistance.

Referring to the drawing forming part of this specification, Figure 1 represents a front view of the assembled packing box. Figure 2 is a section along the lines 2-2 of Figure 1. Figure 3 is a section along the lines 3-3 of Figure 1 and Figure 4 is a front view of 4the segmental inner bearing showing the method oi' spring or cushion support. Figure 5 shows a modication of the spring method of supporting the quadrant packing rings by an air cushion chamber.

The shaft generally indicated at 1 extends through the frame 2 of the machine. To the frame a face plate 3 is attached, the mounting being in the particular construction shown by means of bolts 4 interspaced and extending throughholes 5 in the face plate and secured in the frame of the machine. The face plate has extended lugs 6 on it and grooves 7 on the inner side of the lugs are machined to anangle which in the particular illustration shown is about 60 from vertical. These grooves extend towards a center fromthe base of the face plate and support the bearing supporting plates 8. The bearing supporting plates have angularly planed sides Which are slidably held in the grooves in the face plate by gibs 9.v Bolts 10 cxtendingthrouglithe exterior of the lugs bear against the gibsv and are themselves held in adjusted position by means of lock nuts l1. The bearing menibers 12 areslida-bly in the supporting plates 8, and surround `the shaft. They are segmental lin shape and have pcripheralgrooves 13 inthe side facing the shaft for retaining `the strips of packing 14. `In the particular illustration shown these bearing members lare quadrants with alternate angular sloping ends planed to lit, thefront end of th'e one in the back end of the other, to form a complete circle or ring surrounding the shaft. Each quadrant preferably has a lug 15 extending from its outer side which forms the inner `guide for a spring 16, which has a plunger 17 engaging its outer end. The supporting plates 8 which in the illustration shown are in the form of half circular plates With meeting faces 18 are held in position by means of aligned holes 19 and bolts 20 slidably retained in the holes by means of nuts 21 threaded about their ends. Each half circular portion of the bearing supporting structure 8 has lugs 422 built integrally with the plate which support Vbolts 23 threaded in holesdrilled and threaded on lines of radius from the center of the shaft. These bolts are retained in adjusted position by means of lock nuts 24 and `their inner ends bear against the plungers 17. The quadrant sections of the inner bearing rings are, therefore, held in a tensioned position Which Will yield under the impetus of a sudden jolt of the shaft. The angular sloping ends of retained in grooves 12IL` these quadrant packing rings tend toward a smoother reciprocating movement of the quadrant sections not affected by a sudden jolt to movewith the shaft and so prevent any leakage about it. Oil holes 25 in the sa l slidable member 8 and the quadrant rings 12 provideameans of lubricating thequadrant packinglringsil i 1 l,

Vhile I have described the particular method of` spring support for the quadrant packing rings' ivliich ed to the particular method described, An alternate method which presents many possibilities particularly inuise on` shaftsgless .liable to violent jars is to have the lugs 15 with piston heads 26 mounted on their ends and rings 2T forming `a Compression cornpartment in an apertureQS in the lugs 2201i the bearing plates and adjustable by a compression nut Q9 closing the aperture, making an air tightseal. l A I-Iaving thus which it is my desire to Patent, what I claim l. In a packing box for a shaft, stand- `described the invention secure by Letters ards for supporting the machine with the having angular shaft therein, apface plate mounted on the standards, lugs on the face plate, said lugs Yn'lachined grooves, bearing supporting members slidably mounted on the i face plate in the -angularl machined grooves Vwith gibs and adjustment bolts for a bearing between the machinedsurfaces of the grooves andthe vbearing supporting members, and bolts for thelcorrelativead- ,instable rctainn'ient of the bearing supporting members, said bearing supporting-menibers having peripheral grooves, arcuate sections of a packing ring surroundingthe shaft and mounted in the peripheral grooves,

, T vhiwe found most effective, I do not Wish therefore to be limitsaid sections being recessed to receive shaft packing, said face plate havingholes for lubricating the arcuate packing ring sections A, and means adjustably mounted in the bearing supporting member for providing `a cushioned resistance to an' impetus of the shaft in any decentralized iirection.

2. In a packing box for a shaft, standards for supporting the machine with the shaft therein, a face plate mounted on the standards, lugs on the face plate, said lugs having angular machined grooves, bearing supporting members slidably mounted on the face plate'in the angular machined grooves Wit gibs and adjustment bolts for abearing between the machined surfaces of the grooves and the hearing supporting members, and bolts for the correlativo adjustable retainment of thebearing supporting members, said bearing supporting members having peripheral grooves, arcuate sections of a packing ring surrounding the shaft and mounted in the peripheral, grooves, said sections being recessed to receive shaft packing, said face `plate having* holes for lubricating the arcuate packing ring sections and means adjustably mounted in the hearing supporting meuib'er for providing a cushioned `resistance to an impetus of the shaft in any decentralized direction, `and means-for impelling a corresponding movement keeping all the arcuate packing ring sections in concentricallrT aligned position on the shaft at the tiineof an impetus ofthe shaft in any decentralized direction; i

JOHN H. REEDY.

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